Interapothek Revitalising Serum O2 is a skin care product used to revitalise and improve the appearance of the skin. This serum contains active oxygen, which helps to stimulate cell renewal and improve the skin's radiance. In addition, it also contains moisturising ingredients and antioxidants to help fight the signs of ageing and keep the skin smooth and radiant. This product can be used daily as part of your facial care routine for healthier, rejuvenated skin.